#! /bin/sh
# PCP QA Test No. 033
# check filesys metrics for root fs
#
# Copyright (c) 1995-2002 Silicon Graphics, Inc.  All Rights Reserved.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard filters
. ./common.product
. ./common.filter
. ./common.check

_need_metric filesys.capacity

rm -f $seq.out
if [ $PCP_PLATFORM = darwin ]
then
    ln $seq.out.4 $seq.out
else
    # assume linux-like
    #
    if pmprobe filesys.readonly >/dev/null
    then
	ln $seq.out.3 $seq.out
    else
	ln $seq.out.1 $seq.out
    fi
fi

status=1	# failure is the default
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
rm -f $seq.full

# real QA test starts here
root=`df / | $PCP_AWK_PROG 'NR == 2 { print $1 }'`
echo "root=$root" >>$seq.full
if [ -z "$root" ]
then
    echo "Arrgh, cannot get device for root fs from df(1) ..."
    df /
    exit
fi
if [ -L "$root" ]
then
    if which realpath >/dev/null 2>&1
    then
	symroot=`realpath $root`
    else
	symroot=`ls -l $root | sed -e 's/.*-> //'`
	if [ -z "$symroot" ]
	then
	    echo "Arrgh, cannot get symlink for device for root fs ..."
	    ls -l $root
	    exit
	fi
	case "$symroot"
	in
	    ../*)
		# handle case like ...
		# /dev/disk/by-uuid/467793a8-5191-4940-90fb-38a6f28b035d -> ../../sda1
		dir=`dirname $root`
		while true
		do
		    case "$symroot"
		    in
		    	../*)
			    dir=`echo $dir | sed -e 's@/[^/]*$@@'`
			    symroot=`echo $symroot | sed -e 's@\.\./\([^.]\)@\1@'`
			    ;;
			*)
			    symroot=${dir}/${symroot}
			    break
			    ;;
		    esac
		done
		;;
	esac
    fi
else
    symroot="$root"
fi
echo "symroot=$symroot" >>$seq.full
echo "--- mount | filter ---" >>$seq.full
mount | egrep "$root|/dev/root|$symroot" >>$seq.full
pminfo -f filesys.mountdir >>$seq.full
pminfo -f filesys \
| tee -a $seq.full \
| egrep "(^filesys)|\"$root\"|/dev/root|$symroot\"|\"overlay\"" \
| _filter_dumpresult 2>&1 > $tmp.out

cat $tmp.out

status=0
exit
